Some common harmful substances in the context of pediatrics include:
Lead: Found in old paint, contaminated soil, and some water pipes. Mercury: Present in certain fish and dental amalgams. Pesticides: Used in agriculture and sometimes found in treated foods. Medications: Over-the-counter and prescription drugs not meant for children. Secondhand Smoke: Exposure to tobacco smoke from parents or caregivers. Alcohol and Drugs: Exposure through parental use or accidental ingestion.